CN103925578A - Plated LED radiator - Google Patents

Plated LED radiator Download PDF

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Publication number
CN103925578A
CN103925578A CN201410172539.5A CN201410172539A CN103925578A CN 103925578 A CN103925578 A CN 103925578A CN 201410172539 A CN201410172539 A CN 201410172539A CN 103925578 A CN103925578 A CN 103925578A
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CN
China
Prior art keywords
cavity
plate
heat conducting
heat
conducting plate
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CN201410172539.5A
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Chinese (zh)
Inventor
张卫东
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相变照明技术(上海)有限公司
上海柏宜照明电子有限公司
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Priority to CN201410172539.5A priority Critical patent/CN103925578A/en
Publication of CN103925578A publication Critical patent/CN103925578A/en

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Abstract

The invention relates to an LED radiator, belongs to the technical field of radiation and discloses a plated LED radiator. The plated LED radiator comprises a rectangular heat conducting plate and a plurality of radiating fins. A sealed cavity is formed in the heat conducting plate, a plurality of cavity bodies which are communicated with each other are formed in the cavity, a plurality of micro protrusions are arranged at the bottom of the cavity, the cavity is filled by phase change heat transfer media, the radiating fins are arranged on the heat conducting at equal intervals along the long edge of the heat conducting plate, and the heat conducting plate and the radiating fins are formed by integrally extruding aluminum alloy section bars. The cavity bodies in the cavity of the heat conducting plate are communicated with each other, so that when the phase change heat transfer media in the cavity are heated to boil, vapor can be filled into all parts of the cavity to enable temperatures of all points of a bottom plate to trend to be the same. All radiating fins can effectively work to improve radiating evenness. The hollow bottom plate reduces the weight of the plated LED radiator. Meanwhile, the plated LED radiator has no limit on installation angles.

Description

LED平板散热器 LED flat radiator

技术领域 FIELD

[0001] 本发明涉及散热器技术,尤其是涉及一种LED平板散热器。 [0001] The present invention relates to a heat sink technology, particularly relates to an LED heat sink plate.

背景技术 Background technique

[0002]目前的LED散热器常见的有太阳花型LED散热器和平板型LED散热器两种。 [0002] There are a common type of LED heatsink sunflowers and two kinds of plate-type heat sink LED current LED heat sink. 太阳花型LED散热器采用重力热管技术,具有较好的散热性能,但对安装角度有一定限制。 Sunflower type thermosyphon radiator LED technology, better thermal performance, but there is a limit on the installation angle. 平板型LED散热器由中空的底板和若干散热翅片组成,中空的底板被分隔成若干独立的腔体,腔体中设有传热介质。 LED flat plate type heat sink by a hollow base plate and a plurality of radiating fins composed of hollow floor was divided into several independent cavity, the cavity is provided with a heat transfer medium. 虽然这种结构的平板型LED散热器对安装角度没有限制,但由于其各腔体是独立的,传热介质只能在各腔体中循环,而各腔体与热源之间的距离各不相同,距离热源较远的腔体内的传热介质使用率较低,因此造成了散热均匀性不好。 Although the flat type LED heat sink is not limited to such a configuration the mounting angle, but because of its respective cavity are independent, only the heat transfer medium circulating in the cavity, and the distance between the source and the respective cavity is not same low heat transfer medium from the heat utilization within the cavity far, thus causing poor uniformity of heat dissipation.

发明内容 SUMMARY

[0003] 本发明的目的是提供一种LED平板散热器,主体采用铝合金型材一体化挤压成型,该LED平板散热器底板的空腔中的各腔体是相互连通的,既减轻了产品重量,又提高了散热均匀性。 [0003] The object of the present invention is to provide an LED heat sink plate, an integrated body extruded aluminum alloy material, each cavity of the cavity plate LED heat sink of the bottom plate are communicated with each other not only reduces the product by weight, but also to improve thermal uniformity.

[0004] 本发明是通过以下技术方案实现的: [0004] The present invention is achieved by the following technical solutions:

[0005] —种LED平板散热器,包括长方形导热板和若干散热翅片,所述导热板内设有密封空腔,该空腔由导热板的底板、顶板以及置于该导热板的顶板和底板之间的一对长侧壁和一对短侧壁组成,该空腔内设有抵接于底板和顶板之间的一体化成型的若干长度相等的安装加强筋,该安装加强筋平行于空腔的短侧壁排列在空腔的两条长侧壁之间,安装加强筋的两端与两条长侧壁之间留有间距,所述导热板的底板朝空腔的一面上设有若干微小凸起,所述空腔内充有可相变传热的介质,所述散热翅片沿导热板的长边等间距排列在导热板的顶板上,导热板和散热翅片采用铝合金型材一体化挤压成型。 [0005] - kinds of LED flat plate heat sink, a thermally conductive plate and including a plurality of rectangular heat dissipating fins, the heat conducting plate features a sealed cavity, the cavity of the roof of a thermally conductive plate thermally conductive plate of the bottom plate, a top plate and disposed and between the bottom plate and a pair of long side walls composed of a pair of short side walls, the cavity is equipped with a plurality of lengthwise abuts integrally molded between the floor and ceiling mounting rib equal, parallel to the mounting bead short side walls of the cavity is arranged between two long side walls of the cavity, the spacing between the left reinforcing mounting both ends of the two long side walls of the ribs, the bottom side toward the heat conducting plate disposed on the cavity there are a number of fine projections, the cavity may be filled with a phase change heat transfer medium, the heat dissipating fins along the long sides of the heat conducting plate are arranged at equal intervals in the top plate of the heat conducting plate, the heat conducting plate and heat radiating fins aluminum integration of the alloy extrusion profile.

[0006] 所述可相变传热的介质充满了空腔五分之四的腔体。 Media [0006] The phase change heat transfer can be filled four-fifths of the cavity of the cavity.

[0007] 所述安装加强筋的两端与空腔的两条长侧壁之间的间距为2毫米。 The spacing between the two long side walls [0007] Both ends of the mounting cavity reinforcing rib is 2 mm.

[0008] 所述散热翅片沿导热板的长边自中间向两边依次由高到低排列。 [0008] The heat radiating fins are arranged in descending order from the intermediate to both sides along the long sides of the heat conducting plate.

[0009] 所述散热翅片的表面设有毛细槽道。 [0009] The surface of the radiating fin is provided a capillary channel.

[0010] 所述导热板的底板上设有LED灯安装孔,该安装孔位于安装加强筋的位置上。 [0010] LED lamp provided with mounting holes on the bottom plate of the heat conducting plate, the mounting hole of the mounting position of the stiffeners.

[0011 ] 所述空腔的短侧壁上设有抽气孔。 It is provided with suction holes on the [0011] short sidewalls of the cavity.

[0012] 本发明的有益效果在于:本发明LED平板散热器,其导热板空腔内的腔体是连通的,空腔内的可相变传热的介质受热沸腾,蒸汽迅速填充到空腔的各部分,使得底板各点的温度趋于一致,所有散热翅片均能有效工作,提高了散热均匀性,中空的底板结构减轻了产品的重量,同时对安装角度无限制。 [0012] Advantageous effects of the present invention: LED flat heat sink of the present invention, the thermally conductive plate cavity which cavity is in communication, the cavity may be a phase change heat transfer medium is heated to boil, the steam quickly filled into the cavity each portion so that the temperature of each point of convergence of the bottom plate, the heat radiating fins can all work effectively to improve the uniformity of heat dissipation, hollow floor structure reduces the weight of the product, while the mounting angle limitation.

附图说明 BRIEF DESCRIPTION

[0013] 图1为本发明LED平板散热器的剖视结构示意图;[0014] 图2为图1中散热板的俯视剖视结构示意图; A cross-sectional view of the structure [0013] Figure 1 is a schematic view of the heat sink plate LED invention; [0014] FIG. 2 is a schematic top view of FIG. 1 in a cross-sectional view of the structure of the heat radiating plate;

[0015] 图3为图1局部放大图。 [0015] FIG. 3 is a partially enlarged view of FIG. 1.

[0016] 其中:1_散热板,11-底板,12-顶板,13-安装加强,14-长侧壁,15-短侧壁,16-微小凸起,2-散热翅片,21-毛细槽道。 [0016] wherein: 1_ heat radiating plate, 11 base plate, 12 top plate, 13 mounting reinforcement, 14- long side, short side walls 15, 16 minute projections 2-radiating fins 21 of the capillary channel.

具体实施方式 Detailed ways

[0017] 下面结合具体实施例和附图,进一步阐述本发明。 [0017] The following examples and drawings in conjunction with specific embodiments, further illustrate the present invention.

[0018] 如图1结合图2所不,一种LED平板散热器,包括长方形导热板I和若干散热翅片2,导热板I和散热翅片2采用铝合金型材一体化挤压成型。 [0018] FIG. 1 is not in connection with Figure 2, an LED flat plate heat sink, a thermally conductive plate comprises a rectangular radiating fins 2 and a plurality of I, I heat conducting plate 2 and the heat radiating fins of aluminum alloy extruded profile integration.

[0019] 散热翅片2的表面设有毛细槽道21,增加了散热面积;散热翅片2沿导热板I的长边等间距排列在导热板I的顶板12上,且自中间向两边依次由高到低排列,其作用在于根据各位置热量的不同设置散热翅片的高度,节约型材。 [0019] surface of the radiating fin 2 is provided with a capillary channel 21, increasing the heat dissipation area; the longitudinal heat radiating fins 2 at equal intervals along the I heat conducting plate arranged on the heat conducting plate I in the top plate 12, and sequentially from the middle to both sides from high to low, depending on which function is to set the height of each position of the heat radiating fins of heat, saving profile.

[0020] 导热板I内设有密封空腔,该空腔由导热板I的底板11、顶板12以及置于该导热板I的顶板11和底板12之间的一对长侧壁14和一对短侧壁15组成,该空腔内设有抵接于顶板11和底板12之间的一体化成型的若干长度相等的安装加强筋13,该安装加强筋13平行于空腔的短侧壁15排列在空腔的两条长侧壁14之间,把空腔分隔成若干的腔体,安装加强筋13的两端与两条长侧壁14之间留有两毫米的间距,使腔体的两端与两条长侧壁14之间各留出一条通道,该通道将各腔体连通。 [0020] I the heat conducting plate features a sealed cavity, the cavity plate 11 by a thermally conductive plate I, and a top plate 12 disposed between a pair of long side walls 12 I of the heat conducting plate and the bottom plate 14 and top plate 11 a composed of short side walls 15, equipped with the cavity 11 abuts against the top plate and the bottom plate a plurality of integrally molded between the length 12 equal to the reinforcing rib 13 is mounted, the attachment reinforcing ribs 13 parallel to the short side walls of the cavity 15 are arranged between the two long side walls of the cavity 14, the cavity is divided into a plurality of cavities, mounting two long side walls and two ends of reinforcing ribs 13 have the two 14 mm spacing between the chamber both ends of the body and the two long side walls each leaving a passage 14 between the passage of each cavity communicates.

[0021] 空腔五分之四的腔体内充有可相变传热的介质,导热板I的底板11朝空腔的一面上设有若干微小凸起16,其作用在于增大介质与导热板的底板的换热面积。 [0021] four-fifths of the cavity of the cavity may be filled with phase change heat transfer medium, the heat conducting plate 11 toward the bottom plate I on one side of the cavity has a plurality of fine projections 16 that act to increase the heat conducting medium heat transfer area of ​​the floor plate.

[0022] 导热板I的底板12位于安装加强筋13的位置上设有LED灯安装孔,便于安装LED灯,安装加强筋13的作用在于增强LED平板散热器的结构强度和提供所述LED等安装孔的钻孔位置。 [0022] The heat conducting plate 12 of the mounting plate I is provided with reinforcing ribs 13 on the position of the LED lamp mounting holes for mounting the LED lamp, mounted reinforcing rib 13 is to enhance the role of LED heat sink plate provides the structural strength and the like LED mounting hole drilling position.

[0023] 热源LED灯安装在导热板I的底板12上,通过设有若干微小凸起16底板12将热量传导给可相变传热的介质,介质受热沸腾急速蒸发成气体,同时带走热量,由于导热板I中的各腔体是连通的,因此气体在整个导热板I的空腔内循环流动,导热板I各位置的温度基本相同,气体遇到导热板I的冷顶板11后凝结释放热量,通过散热翅片2将热量均匀的散发到外部环境中。 The [0023] LED light source mounted on the base plate thermally conductive plate 12 is I, through the base plate 16 has a plurality of minute projections 12 may conduct heat to the phase change heat transfer medium, the medium is heated to boiling rapidly evaporated to gas while removing heat Since each of the heat conducting plate I cavity is in communication, so that the gas is circulated within the cavity throughout the heat conducting plate I, I heat conducting plate is substantially the same temperature at each position, the gas encounters the cold thermally conductive plate of the top plate 11 after condensation I release heat evenly distributing to the external environment through the heat radiating fins 2.

Claims (7)

1.一种LED平板散热器,包括长方形导热板(I)和若干散热翅片(2),其特征在于:所述导热板⑴内设有密封空腔,该空腔由导热板⑴的底板(11)、顶板(12)以及置于该导热板(I)的顶板(11)和底板(12)之间的一对长侧壁(14)和一对短侧壁(15)组成,该空腔内设有抵接于顶板(11)和底板(12)之间的一体化成型的若干长度相等的安装加强筋(13),该安装加强筋(13)平行于空腔的短侧壁(15)排列在空腔的两条长侧壁(14)之间,安装加强筋(13)的两端与两条长侧壁(14)之间留有间距,所述导热板(I)的底板(11)朝空腔的一面上设有若干微小凸起(16),所述空腔内充有可相变传热的介质,所述散热翅片(2)沿导热板⑴的长边等间距排列在导热板⑴的顶板(12)上,导热板⑴和散热翅片(2)采用铝合金型材一体化挤压成型。 An LED flat heat sink, a thermally conductive plate comprises a rectangular (I) and a plurality of radiating fins (2), characterized in that: said heat conducting plate features ⑴ sealing a cavity of a thermally conductive plate bottom ⑴ a pair of long side walls (14) and a pair of short side walls (15) between (11), top plate (12) and the heat conducting plate disposed top plate (I), (11) and the bottom plate (12), with the several cavity length integrally molded features on the top plate between the abutment (11) and the bottom plate (12) is equal to the mounting rib (13), the mounting rib (13) parallel to the short side walls of the cavity (15) is arranged between the two long side walls of the cavity (14), mounting rib (13) ends and two long side walls of the spacing between the left (14), the heat conducting plate (I) the bottom plate (11) toward one side of the cavity has a plurality of fine projections (16), the cavity may be filled with a phase change heat transfer medium, said heat radiating fins (2) along the length of the heat conducting plate ⑴ equally spaced edges on the top plate ⑴ heat conducting plate (12), and the heat radiating fins ⑴ heat conducting plate (2) integration of extruded aluminum alloy material.
2.根据权利要求1所述的LED平板散热器,其特征在于:所述可相变传热的介质充满了空腔五分之四的腔体。 The flat heat sink of the LED to claim 1, characterized in that: said phase-change heat transfer medium filled four-fifths of the cavity of the cavity.
3.根据权利要求1所述的LED平板散热器,其特征在于:所述安装加强筋(13)的两端与空腔的两条长侧壁(14)之间的间距为两毫米。 3. The heat sink according to claim 1 LED flat plate, wherein: two long side walls of the mounting rib (13) of the spacing between the ends of the cavity (14) is two millimeters.
4.根据权利要求1所述的LED平板散热器,其特征在于:所述散热翅片(2)沿导热板(I)的长边自中间向两边依次由高到低排列。 4. The heat sink of the LED flat claim 1, wherein: said radiating fins (2) along the heat conducting plate (I) from the intermediate long sides are arranged in descending order to the sides.
5.根据权利要求1所述的LED平板散热器,其特征在于:所述散热翅片(2)的表面设有毛细槽道(21)。 5. The heat sink according to claim 1 LED flat plate, wherein: a surface of the heat radiating fins (2) provided with a capillary channel (21).
6.根据权利要求1所述的LED平板散热器,其特征在于:所述导热板(I)的底板(12)上设有LED灯安装孔,该安装孔位于安装加强筋(13)的位置上。 The bottom plate of the heat conducting plate (I) is provided with an LED lamp mounting hole (12), the mounting hole of the mounting rib (13): The LED according to claim 1, said heat sink plate, wherein on.
7.根据权利要求1所述的LED平板散热器,其特征在于:所述空腔的短侧壁(15)上设有抽气孔。 7. The heat sink according to claim 1 LED flat plate, wherein: said cavity is provided with suction holes on the short side walls (15).
CN201410172539.5A 2014-04-25 2014-04-25 Plated LED radiator CN103925578A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105737058A (en) * 2016-03-08 2016-07-06 镇江菲尔斯特电子科技有限公司 Automobile LED front fog lamp

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US20050201098A1 (en) * 2004-03-10 2005-09-15 Dipenti Timothy A. Interior lamp
CN102683460A (en) * 2011-03-15 2012-09-19 刘阳 Closed heat radiating device
CN102778157A (en) * 2011-05-12 2012-11-14 北京芯铠电子散热技术有限责任公司 Flat plate vapor chamber and manufacturing method thereof
CN203464213U (en) * 2013-08-14 2014-03-05 奉化市垭特机电科技有限公司 LED (Light Emitting Diode) projection lamp radiator
CN203893121U (en) * 2014-04-25 2014-10-22 相变照明技术(上海)有限公司 LED flat plate radiator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050201098A1 (en) * 2004-03-10 2005-09-15 Dipenti Timothy A. Interior lamp
CN102683460A (en) * 2011-03-15 2012-09-19 刘阳 Closed heat radiating device
CN102778157A (en) * 2011-05-12 2012-11-14 北京芯铠电子散热技术有限责任公司 Flat plate vapor chamber and manufacturing method thereof
CN203464213U (en) * 2013-08-14 2014-03-05 奉化市垭特机电科技有限公司 LED (Light Emitting Diode) projection lamp radiator
CN203893121U (en) * 2014-04-25 2014-10-22 相变照明技术(上海)有限公司 LED flat plate radiator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105737058A (en) * 2016-03-08 2016-07-06 镇江菲尔斯特电子科技有限公司 Automobile LED front fog lamp

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